Please help me define TIG welding all about tig type

Here's how it works:

1. An electric arc is formed between the tungsten electrode and the workpiece.
2. This arc melts the base metal, creating a weld pool.
3. A shielding gas, typically argon or helium, flows through the welding torch to protect the molten weld pool from atmospheric contamination.
4. A filler metal rod can be added to the weld pool to build up the joint, but it's not always necessary.

The "TIG type" refers to the TIG welding process itself. It's known for producing high-quality, precise welds, making it suitable for a wide range of metals, including aluminum, stainless steel, and exotic alloys.